Question 1
In 5 years, Nilesh will be twice as old as Sanjay was 3 years ago. If Sanjay is 11 now, how old is Nilesh now?
In 5 years: Nilesh=Nilesh(now)+5, Sanjay was 11-3=8 three years ago. Nilesh(now)+5=2*8 => Nilesh(now) = 2*8 - 5 = 11.